GB/T 45529-2025Road vehicles - Electrical electronic switching devices - Relay (English PDF)

1 Scope

This document defines the terms and definitions of relays for road vehicles, gives the classification, specifies the requirements, inspection rules, marking, packaging, transportation transportation and storage, and describes the corresponding test methods.

This document applies to road vehicles with power supply systems of 12VDC and 24VDC, and installation methods of printed circuit boards and plug-in electromagnetic relays.

Device (hereinafter referred to as "relay").

This document does not apply to special purpose relays such as auxiliary control relays for starters, signal control relays, etc.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to

This document.

GB/T 2408-2021 Determination of the combustion performance of plastics - Horizontal method and vertical method

GB/T 2423.3 Environmental testing Part 2.Test method Test Cab. Steady state damp heat test

GB/T 2423.56 Environmental testing Part 2.Test methods Test Fh. Broadband random vibration and guidance

GB/T 2423.60-2008 Environmental testing for electric and electronic products Part 2.Test methods Test U. Terminals and overall installation

Assembly strength

GB/T 2828.1-2012 Sampling procedures for inspection by attributes Part 1.Sampling for batch inspection based on acceptance quality limit (AQL) plan

GB/T 2900.63-2003 Basic electrical terminology relay

GB/T 6461 Rating of samples and test pieces after corrosion tests on metal and other inorganic coatings on metal substrates

GB 11121 Gasoline engine oil

GB 12981 Motor vehicle brake fluid

GB 17930 Gasoline for vehicles

GB 19147 Diesel for vehicles

GB/T 21437.2-2021 Test methods for electrical disturbances caused by conduction and coupling of electrical/electronic components of road vehicles Part 2

. Electrical transient conducted emissions and immunity along power lines

GB/T 21711.1-2023 Basic electromechanical relays Part 1.General principles and safety requirements

GB/T 21711.7-2018 Basic electromechanical relays Part 7.Test and measurement procedures

GB/T 21711.201-2024 Basic electromechanical relays Part 2-1.Reliability B10 value verification procedure

GB/T 28046.1 Environmental conditions and testing for electrical and electronic equipment of road vehicles Part 1.General requirements

GB/T 28046.2-2019 Environmental conditions and testing for electrical and electronic equipment of road vehicles Part 2.Electrical loads

GB/T 28046.3 Environmental conditions and testing for electrical and electronic equipment of road vehicles Part 3.Mechanical loads

GB/T 28046.4 Environmental conditions and tests for electrical and electronic equipment of road vehicles Part 4.Climatic loads

GB/T 28046.5 Environmental conditions and testing for electrical and electronic equipment of road vehicles Part 5.Chemical loads

GB/T 28957.1-2023 Test dust for filter evaluation on road vehicles Part 1.Silicon oxide test dust

GB/T 30038-2013 Degrees of protection for electrical and electronic equipment of road vehicles (IP code)

GB/T 45797 | GB/T 45314 | GB/T 45315 | GB/T 25085.10 | GB 34660 | […]